Operating-handle for motion-picture cameras and projectors.



C. E. AKELEY.

OPERATING HANDtE FOR MOTION PICTURE CAMERAS AND PROJECTORS.

APPLICATION FILEDFEB. 2a. 1911.

1,261,890., Patented Apr. 9, 1918.

6% aaz 61: tozneq rrnn snare arena enric CARL E. AKELEY OF NEW YORK, N. 31, 'ASSIGNQR T AKE'LEY GATEEBA, INQ, OF NEW YORK, N. Y;, A CQBPORATION OF NEV-f YORK. V

OPERATING-HANDLE FOB MOTION-PICTURE CAMERAS AND PBOJECTOBJS. V

1 261,8g(} Specification of Letters Patent. Pateg ted A1313 9 1918 7 Application filed February 28, 1917. Serial No. 151,466.

To all whom it may concern: body portion .t of the same being formed of Be it known that I, CARL E. AKsLuY, a a flexible metal strip, and being preferably citizen of the United States, residing in the bifurcated at 5 to engage the enlargement 3, borough of Manhattan, city of New York, to which it is permanently attached by suit- 5 and State of New York, have invented cerable screws 6, the outer end of said body 55 tain new and useful Improvements in Opportion at being provided with the usual erating- Handles for Motion Picture Camhand portion 7 eras and Projectors, of which the following As shown in dotted lines in Fig. 2, the is a specification. flexible nature of the sheet metal body por- 10 My invention relates to motion picture tion 4 of the handle permits it to have a 60 cameras and projectors, and has for its obvibratory range of movemen ,whereby when jects to provide an improved construction of in use and when the hand portion 7 is being handle for operating the film thereof, so conmanipulated to feed the film, the handle as structed, first, as to eliminate the imparting a whole will accommodate itself to any of any lateral or end thrust to the camera movement of the hand of the operator in 65 or projectors during the rotation of the hen either direction away from the line of the dle, secondly, to permit lateral movement to true circle of rotation. It has been found in' the hand of the operator without varying pract ce in operatingwith a rigid handle the timing of the rotary motion imparted to that it 18 practlcally impossible to prevent 20 the film feeding mechanism, and, thirdly, to the lateral and end thrusts imparted to the 70 permit both lateral and endthrust without handle from being communicated to some any variation in the timing, degree to the camera or projector, thereby These objects I accomplish in the manresulting in imperfect pictures, due to this ner and by the means hereinafter described vibration. It also is practically impossible and claimed, reference being had to the acto impart an even rotary motion to the film, 75 companying drawing, in which due to the fact that there is an inclination Figure 1 i a, id el vation of a, camera to vary from the line of a true circle, which casing, showing my improved h ndl apcauses an uneven movement to be imparted plied thereto; to the handle. These. defects are remedied Fig. 2 is a rear elevation of a portion of y my lmprovcd flexible handle, which perso said camera casing, showing my improved 111113 Such ClcViatmn from the true circle handl 11150 in a l vation; without imparting the same to the camera or Fig. 3 i a detail iew si il r to Fig, 1 projector, and without destroying the time showing a slightly modified construction; rhythm of movement of the hand of the op- Fig. 4 is a side elevation of the modification shown in Fig. 8. In Figs. 3 and 4; I have shown a slightly Similar numerals of reference denote cormodified construction wherein the connecresponding parts in the several vi ws, tion between the hub 3 of the shaft of the In the said drawing, referring to Figs. 1 casing 1 and the hand portion 7 is in the 40 and 2, the reference numeral 1 denotes a form of a flat spiral spring 8 fixed'at 9 and camera casing of the general contour disclipped at 10 to said hub 3, as shown. By closed in a number of Letters Patent heretothis construction, I provide not only for a fore granted to me, such, for instance, as lateral yield of the handle, but also for a Letters Patent No. 1,17 7 ,163, granted March yield in the line of the end thrust thereon,

45 28, 1916. Projecting through said camera whereby additional flexibility is provided, casing at one side is the shaft 2 of the mechand whereby undesirable jerky movement of anism for feeding the film past the point of said handle will be minimized. exposure, said shaft being provided with a While I have shown my improved hanconventional hub 3. To the outer face of said dles as applied to a camera casing, it will,

50 hub 3 is attached my improved handle, the be understood that the same are as readily direction at an angle to the line of retation 10 01'; sald handle.

in amotisn feeding the film cto r.

icable to ncture pro e 

